111488733225 has 18 divisors (see below), whose sum is σ = 199688709246. Its totient is φ = 59460657600.

The previous prime is 111488733203. The next prime is 111488733227. The reversal of 111488733225 is 522337884111.

111488733225 is a `hidden beast` number, since 111 + 488 + 7 + 3 + 32 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1952225856 + 109536507369 = 44184^2 + 330963^2 .

It is not a de Polignac number, because 111488733225 - 2¹⁴ = 111488716841 is a prime.

It is a super-2 number, since 2×111488733225² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (111488733227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247752516 + ... + 247752965.

Almost surely, 2^111488733225 is an apocalyptic number.

111488733225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111488733225 is a deficient number, since it is larger than the sum of its proper divisors (88199976021).

111488733225 is a wasteful number, since it uses less digits than its factorization.

111488733225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495505497 (or 495505489 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 111488733225 in words is "one hundred eleven billion, four hundred eighty-eight million, seven hundred thirty-three thousand, two hundred twenty-five".